async def dereference(self, profile: Profile,
did_url: str) -> Union[Service, VerificationMethod]:
"""Dereference a DID URL to its corresponding DID Doc object."""
# TODO Use cached DID Docs when possible
try:
did_url = DIDUrl.parse(did_url)
doc = await self.resolve(profile, did_url.did)
return doc.dereference(did_url)
except DIDError as err:
raise ResolverError(
"Failed to parse DID URL from {}".format(did_url)) from err
async def dereference(self, profile: Profile, did_url: str) -> Resource:
"""Dereference a DID URL to its corresponding DID Doc object."""
# TODO Use cached DID Docs when possible
try:
parsed = DIDUrl.parse(did_url)
if not parsed.did:
raise ValueError("Invalid DID URL")
doc_dict = await self.resolve(profile, parsed.did)
return pydid.deserialize_document(doc_dict).dereference(parsed)
except DIDError as err:
raise ResolverError(
"Failed to parse DID URL from {}".format(did_url)) from err
async def dereference(self,
profile: Profile,
did_url: str,
*,
cls: Type[ResourceType] = Resource) -> ResourceType:
"""Dereference a DID URL to its corresponding DID Doc object."""
# TODO Use cached DID Docs when possible
try:
parsed = DIDUrl.parse(did_url)
if not parsed.did:
raise ValueError("Invalid DID URL")
except DIDError as err:
raise ResolverError(
"Failed to parse DID URL from {}".format(did_url)) from err
doc_dict = await self.resolve(profile, parsed.did)
# Use non-conformant doc as the "least common denominator"
try:
return NonconformantDocument.deserialize(doc_dict).dereference_as(
cls, parsed)
except IDNotFoundError as error:
raise ResolverError(
"Failed to dereference DID URL: {}".format(error)) from error
def test_relative_url():
url = DIDUrl.parse("/some/path?query=value#fragment")
assert not url.did
assert url.path
assert url.query
assert url.fragment
def test_did_url_parse_x(bad_url):
with pytest.raises(InvalidDIDUrlError):
DIDUrl.parse(bad_url)
def test_did_url_neq(lhs, rhs):
lhs = DIDUrl.parse(lhs)
assert lhs != rhs
rhs = DIDUrl.parse(rhs)
assert lhs != rhs
assert lhs != {"not a": "DIDUrl"}
def test_did_url_parse(url, parts):
assert DIDUrl.parse(url) == DIDUrl(**parts)